fix(first-leg): identify and localize picking status in cabinet summary

src/modules/first-leg/utils/firstLegOrder.ts

@@ -19,6 +19,16 @@ export function getFirstLegStatusLabel(status: string) {
   return statusLabels.get(canonicalStatus as FirstLegOrderStatus) ?? '未知状态'
 }
 
+export function getFirstLegPickingStatusLabel(status: string | null | undefined) {
+  if (!status) return '待更新'
+  const labels: Readonly<Record<string, string>> = {
+    PENDING: '待拣货',
+    IN_PROGRESS: '拣货中',
+    COMPLETED: '拣货完成',
+  }
+  return labels[status] ?? '未知状态'
+}
+
 export function getFirstLegTransportModeLabel(mode: FirstLegTransportMode | null) {
   if (!mode) return '运输方式待更新'
   return transportModeLabels.get(mode) ?? mode